Catapult-Trebuchet

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Catapult Design Ideas
http://spaghettiboxkids.com/blog/catapult-designs-for-kids/


Video
http://www.youtube.com/watch?v=x_GOPTYHmgI&list=PL044FC80580FA40BC
http://www.youtube.com/watch?v=oANBYL0juMs
http://www.youtube.com/watch?v=RMqkL2qRdvY
http://www.youtube.com/watch?v=mlGDJZzPRRU
1. Medieval Levers
http://www.wonderville.ca/asset/medieval-levers

2. Warwick Trebuchet
http://www.warwicksiege.com/flash_game/flash_game.asp

3. Smash the Castle
http://www.gamesonline.fm/fighting-games/smash-the-castle

4. Destroy the Castle
http://www.pbs.org/wgbh/nova/lostempires/trebuchet/destroywave.html

5. Castle Clout
http://www.physicsgames.com/demolition-games_castle-clout-3/